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de Wit, Tessa C. J.; Vrins, Sven; Dejonckheere, Peter J. N.; van Lier, Rob – Infancy, 2008
Two habituation experiments were conducted to investigate how 4-month-old infants perceive partly occluded shapes. In the first experiment, we presented a simple, partly occluded shape to the infants until habituation was reached. Then we showed either a probable completion (one that would be predicted on the basis of both local and global cues)…
Descriptors: Infants, Habituation, Visual Perception, Cues
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McRoberts, Gerald W.; McDonough, Colleen; Lakusta, Laura – Infancy, 2009
Four experiments investigated infants' preferences for age-appropriate and age-inappropriate infant-directed speech (IDS) over adult-directed speech (ADS). Two initial experiments showed that 6-, 10-, and 14-month-olds preferred IDS directed toward younger infants, and 4-, 8-, 10-, and 14-month-olds, but not 6-month-olds, preferred IDS directed…
Descriptors: Cues, Infants, Language Acquisition, Experiments
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Longo, Matthew R.; Bertenthal, Bennett I. – Infancy, 2006
Do 9-month-old infants motorically simulate actions they perceive others perform? Two experiments tested whether action observation, like overt reaching, is sufficient to elicit the Piagetian A-not-B error. Infants recovered a toy hidden at location A or observed an experimenter recover the toy. After the toy was hidden at location B, infants in…
Descriptors: Observation, Error Patterns, Infants, Toys